mlr: makeFilterEnsemble – R documentation

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makeFilterEnsemble

Create an ensemble feature filter.

Description

Creates and registers custom ensemble feature filters. Implemented ensemble filters can be listed with listFilterEnsembleMethods. Additional documentation for the fun parameter specific to each filter can be found in the description.

Usage

makeFilterEnsemble(name, base.methods, desc, fun)

Arguments

`name`	(`character(1)`) Identifier for the filter.
`base.methods`	the base filter methods which the ensemble method will use.
`desc`	(`character(1)`) Short description of the filter.
`fun`	(`function(task, nselect, ...`) Function which takes a task and returns a named numeric vector of scores, one score for each feature of `task`. Higher scores mean higher importance of the feature. At least `nselect` features must be calculated, the remaining may be set to `NA` or omitted, and thus will not be selected. the original order will be restored if necessary.

Value

Object of class “FilterEnsemble”.

Bernd Bischl [aut] (<https://orcid.org/0000-0001-6002-6980>), Michel Lang [aut] (<https://orcid.org/0000-0001-9754-0393>), Lars Kotthoff [aut], Patrick Schratz [aut, cre] (<https://orcid.org/0000-0003-0748-6624>), Julia Schiffner [aut], Jakob Richter [aut], Zachary Jones [aut], Giuseppe Casalicchio [aut] (<https://orcid.org/0000-0001-5324-5966>), Mason Gallo [aut], Jakob Bossek [ctb] (<https://orcid.org/0000-0002-4121-4668>), Erich Studerus [ctb] (<https://orcid.org/0000-0003-4233-0182>), Leonard Judt [ctb], Tobias Kuehn [ctb], Pascal Kerschke [ctb] (<https://orcid.org/0000-0003-2862-1418>), Florian Fendt [ctb], Philipp Probst [ctb] (<https://orcid.org/0000-0001-8402-6790>), Xudong Sun [ctb] (<https://orcid.org/0000-0003-3269-2307>), Janek Thomas [ctb] (<https://orcid.org/0000-0003-4511-6245>), Bruno Vieira [ctb], Laura Beggel [ctb] (<https://orcid.org/0000-0002-8872-8535>), Quay Au [ctb] (<https://orcid.org/0000-0002-5252-8902>), Martin Binder [ctb], Florian Pfisterer [ctb], Stefan Coors [ctb], Steve Bronder [ctb], Alexander Engelhardt [ctb], Christoph Molnar [ctb], Annette Spooner [ctb]

Initial release

makeFilterEnsemble

Description

Usage

Arguments

Value

See Also

mlr

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